'use strict'
Object.defineProperty(exports, '__esModule', { value: true })
var component_1 = require('../common/component')
component_1.VantComponent({
  relation: {
    name: 'sidebar-item',
    type: 'descendant',
    current: 'sidebar',
    linked: function() {
      this.setActive(this.data.activeKey)
    },
    unlinked: function() {
      this.setActive(this.data.activeKey)
    }
  },
  props: {
    activeKey: {
      type: Number,
      value: 0,
      observer: 'setActive'
    }
  },
  beforeCreate: function() {
    this.currentActive = -1
  },
  methods: {
    setActive: function(activeKey) {
      var _a = this
      var children = _a.children
      var currentActive = _a.currentActive
      if (!children.length) {
        return Promise.resolve()
      }
      this.currentActive = activeKey
      var stack = []
      if (currentActive !== activeKey && children[currentActive]) {
        stack.push(children[currentActive].setActive(false))
      }
      if (children[activeKey]) {
        stack.push(children[activeKey].setActive(true))
      }
      return Promise.all(stack)
    }
  }
})
